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GO FASTER ? ADD LIGHTNESS, GFB’s Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt-on performance advantage without the need for supporting mods or tuning
Non-underdrive crank pulley
VW/Audi Golf GTI Mk5 (2.0t FSI engine)- SHARPER THROTTLE RESPONSE AND “URGE”, ENGINE FEELS MORE LIVELY AND WILLING TO REV, UP TO 85% ROTATING INERTIA REDUCTION, WILL NOT CAUSE ENGINE DAMAGE, NO NEGATIVE EFFECTS ON DRIVEN ACCESSORY PERFORMANCE
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If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
GFB’s Respons, allowing you to infinitely vary how much air is recirculated or vented to atmosphere. Simply by twisting the adjustment ring, you can change the sound of your BOV from silent to ear-shattering!?.
Nissan/Mazda Skyline GTS-T R32-34, Mazda 3 & 6 MPS, CX-7- Patented Venting Bias Adjustment
System-Can be Infinitely Adjusted between
Full Recirc (silent) and full atmosphere (loud). Change the venting bias simply by twisting the adjustment
- Patented Venting Bias Adjustment
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GFB’s WGA part # 7303 is a bolt on high performance internal wastegate actuator for Mitsubishi EVO X models. The WGA replaces the factory turbo’s actuator.
- Faster spool up. Less boost taper at high RPM. More stable boost control. Customizable spring rates. Supports higher boost pressure
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True to our philosophy of Performance Without Compromise, GFB’s Short Shift Kits are designed with a unique linkage system that means the shift throw is fully adjustable whilst retaining the stock gearstick height and requiring NO modifications to the transmission tunnel. That means you can simply bolt one on, adjust it the way you want it, and get a positive and direct “race car” shift feel!, We’ve also made the installation as easy as possible. Our 6-speed Subaru kits include a specially designed pin removal tool for the reverse cable. Suffice to say, you’ll appreciate what a great touch this is when you install the kit.
GFB’s Short Shift kits are like no other. Until you feel the action of one for yourself, you won’t believe the difference.
Subaru WRX MY08-14 -
Go Faster ? Add Lightness, GFB’s Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt-on performance advantage without the need for supporting mods or tuning
3-piece underdrive pulley kit (Crank, alternator & power steering pulleys & required bel
Subaru Suits WRX/STi MY08-14, Liberty GT MY03-12, Forester XT MY09-12)- Sharper Throttle Response and “urge”, engine feels more lively and willing to rev, up to 85% rotating inertia reduction, will not cause engine damage, no negative effects on driven accessory performance
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If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
GFB’s Respons, allowing you to infinitely vary how much air is recirculated or vented to atmosphere. Simply by twisting the adjustment ring, you can change the sound of your BOV from silent to ear-shattering!?.
Subaru WRX MY08-on, GT Legacy MY03-09, XT Forester MY09-12- Patented Venting Bias Adjustment
Sysem-Can be Infinitely Adjusted between
Full Recirc (silent) and full atmosphere (loud). Change the venting bias simply by twisting the adjustment ring.
- Patented Venting Bias Adjustment
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If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
GFB’s Respons, allowing you to infinitely vary how much air is recirculated or vented to atmosphere. Simply by twisting the adjustment ring, you can change the sound of your BOV from silent to ear-shattering!?.
Nissan GT-R R35 – 2 valves included- Patented Venting Bias Adjustment
Sysem-Can be Infinitely Adjusted between
Full Recirc (silent) and full atmosphere (loud). Change the venting bias simply by twisting the adjustment ring.
- Patented Venting Bias Adjustment
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If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
GFB’s Respons, allowing you to infinitely vary how much air is recirculated or vented to atmosphere. Simply by twisting the adjustment ring, you can change the sound of your BOV from silent to ear-shattering!?.
Nissan Nissan Juke 1.6 DIG-T- Patented Venting Bias Adjustment
Sysem-Can be Infinitely Adjusted between
Full Recirc (silent) and full atmosphere (loud). Change the venting bias simply by twisting the adjustment ring.
- Patented Venting Bias Adjustment
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GO FASTER ? ADD LIGHTNESS, GFB’s Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt-on performance advantage without the need for supporting mods or tuning
Crank, alternator and water pump pulleys.
Subaru BRZ/86/FR-S- SHARPER THROTTLE RESPONSE AND “URGE”, ENGINE FEELS MORE LIVELY AND WILLING TO REV, UP TO 85% ROTATING INERTIA REDUCTION, WILL NOT CAUSE ENGINE DAMAGE, NO NEGATIVE EFFECTS ON DRIVEN ACCESSORY PERFORMANCE
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GO FASTER ? ADD LIGHTNESS, GFB’s Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt-on performance advantage without the need for supporting mods or tuning
Lightweight Pump Pulley
Subaru BRZ/86/FR-S- SHARPER THROTTLE RESPONSE AND “URGE”, ENGINE FEELS MORE LIVELY AND WILLING TO REV, UP TO 85% ROTATING INERTIA REDUCTION, WILL NOT CAUSE ENGINE DAMAGE, NO NEGATIVE EFFECTS ON DRIVEN ACCESSORY PERFORMANCE
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If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
GFB’s Respons, allowing you to infinitely vary how much air is recirculated or vented to atmosphere. Simply by twisting the adjustment ring, you can change the sound of your BOV from silent to ear-shattering!?.
Subaru 2015-on WRX/ Forrester- Patented Venting Bias Adjustment
Sysem-Can be Infinitely Adjusted between
Full Recirc (silent) and full atmosphere (loud). Change the venting bias simply by twisting the adjustment ring.
- Patented Venting Bias Adjustment
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Massive Performance, Compact Size.
It’s what we like to do here at GFB – maximize performance and minimize size. Here’s how we did it with the WGA:
• Industry-first diaphragm design – the WGA’s Silicone/Nomex diaphragm uses a new bead retention design that achieves the largest effective area with the smallest possible outside diameter. This keeps the overall size of the WGA down whilst giving it more control authority over the wastegate flap, resulting in better boost control. It’s like telling your turbo what to do instead of pleading with it!• Longest stroke – with 18mm of rod travel, the WGA is suitable for controlling the largest of internal wastegates, or the extra travel can be used to further increase boost pressure without having to change springs.
• Unique pivoting rod guide – machined from PEEK (an extremely high-performance engineering polymer), the encapsulated spherical rod guide takes up significantly less height in the actuator body than other designs, whilst offering low friction and superior wear resistance.
• No unnecessary bulk – sounds obvious, but attention to detail in the design means the WGA is the shortest actuator on the market.
More Adjustable, More Easily.
Setting the base spring pressure correctly for your application can have significant performance benefits, so we made sure the WGA offers the best adjustability on the market!
We supply 3 stainless steel springs that can be used in any combination ranging from 5psi to 22psi, but that’s only the beginning. Whilst other brands may offer more spring options (sold separately), changing springs to fine-tune boost pressure is time consuming and quite frankly, a pain.
That’s why we added another industry first – turnbuckle adjustment. The long stroke of the WGA means more adjustment range for the spring pre-load, so you can fine-tune your base boost pressure in a matter of minutes without swapping springs or removing the actuator.
GFB’s WGA part # 7300 is a bolt on high performance internal wastegate actuator for Mitsubishi Lancer Ralliart models. The WGA replaces the factory turbo’s actuator.- Faster spool up. Less boost taper at high RPM. More stable boost control. Customizable spring rates. Supports higher boost pressure.
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